* {
    padding: 0;
    margin: 0;
    list-style: none;
}

ul,
li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #000;
}

.top {
    width: 375px;
    /* height: 670px; */
    margin: auto;
    /* background-color: red; */
}

.xiecheng {
    width: 375px;
    /* height: 1270px; */
    /* background-color: rgb(255, 252, 60); */
}

.di {
    width: 375px;
    height: 50px;
    position: fixed;
    bottom: 0;
    margin: auto;
    /* background-color: pink; */
}

.di-ul {
    width: 375px;
    height: 50px;
    display: flex;
}

.di-ul .li-a {
    display: block;
    width: 93px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: url(../img/di.png) no-repeat;
    background-position: 15px -3px;
    background-size: 45px;
    /* background-color: skyblue; */
}

.di-ul .di-li {
    width: 70px;
    height: 50px;
    line-height: 70px;
    margin: 8px 0 0 3px;
}